Settings Rounds 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 Round 1min 2min 3min 4min 5min 6min 7min 8min 9min 10min 11min 12min 13min 14min 15min 16min 17min 18min 19min 20min 21min 22min 23min 24min 25min 26min 27min 28min 29min 30min 31min 32min 33min 34min 35min 36min 37min 38min 39min 40min 41min 42min 43min 44min 45min 46min 47min 48min 49min 50min 51min 52min 53min 54min 55min 56min 57min 58min 59min 60min Rest 5s 6s 7s 8s 9s 10s 11s 12s 13s 14s 15s 16s 17s 18s 19s 20s 21s 22s 23s 24s 25s 26s 27s 28s 29s 30s 31s 32s 33s 34s 35s 36s 37s 38s 39s 40s 41s 42s 43s 44s 45s 46s 47s 48s 49s 50s 51s 52s 53s 54s 55s 56s 57s 58s 59s 60s 61s 62s 63s 64s 65s 66s 67s 68s 69s 70s 71s 72s 73s 74s 75s 76s 77s 78s 79s 80s 81s 82s 83s 84s 85s 86s 87s 88s 89s 90s 91s 92s 93s 94s 95s 96s 97s 98s 99s 100s 101s 102s 103s 104s 105s 106s 107s 108s 109s 110s 111s 112s 113s 114s 115s 116s 117s 118s 119s 120s 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1101s 1102s 1103s 1104s 1105s 1106s 1107s 1108s 1109s 1110s 1111s 1112s 1113s 1114s 1115s 1116s 1117s 1118s 1119s 1120s 1121s 1122s 1123s 1124s 1125s 1126s 1127s 1128s 1129s 1130s 1131s 1132s 1133s 1134s 1135s 1136s 1137s 1138s 1139s 1140s 1141s 1142s 1143s 1144s 1145s 1146s 1147s 1148s 1149s 1150s 1151s 1152s 1153s 1154s 1155s 1156s 1157s 1158s 1159s 1160s 1161s 1162s 1163s 1164s 1165s 1166s 1167s 1168s 1169s 1170s 1171s 1172s 1173s 1174s 1175s 1176s 1177s 1178s 1179s 1180s 1181s 1182s 1183s 1184s 1185s 1186s 1187s 1188s 1189s 1190s 1191s 1192s 1193s 1194s 1195s 1196s 1197s 1198s 1199s 1200s Show Advanced Settings About This Boxing Interval Timer Our free online boxing timer is designed specifically for fighters and fitness enthusiasts who need a reliable round timer for their training sessions. Whether you're doing boxing drills, shadowboxing, heavy bag work, or sparring, this interval timer keeps you on track with customizable rounds and rest periods.
Perfect for Multiple Training Styles While built for boxing, this timer works great for HIIT workouts, Tabata training, circuit training, MMA, kickboxing, and any interval-based exercise. Customize round duration, rest time, and warning alerts to match your specific training protocol.
Key Features Customizable round duration and rest intervals Audio alerts for round start, rest, and warning countdown Preparation time before each round Fullscreen mode for maximum visibility Keyboard shortcuts (Space to start/pause, R to reset, F for fullscreen) Mobile-friendly and responsive design Completely free with no registration needed How to Use Simply configure your desired number of rounds, round duration, and rest time in the settings panel. Enable audio cues if you want sound alerts. Press Start (or hit the spacebar) to begin your training session. The timer will automatically count down through all rounds and rest periods, giving you visual and audio feedback throughout your workout.